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CVE-2015-9096

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Date: June 12, 2017

Net::SMTP in Ruby before 2.4.0 is vulnerable to SMTP command injection via CRLF sequences in a RCPT TO or MAIL FROM command, as demonstrated by CRLF sequences immediately before and after a DATA substring.

Language: Ruby

Severity Score

Related Resources (11)

https://github.com/ruby/ruby/commit/0827a7e52ba3d957a634b063bf5a391239b9ffee
https://people.canonical.com/~ubuntu-security/cve/CVE-2015-9096
https://access.redhat.com/security/cve/CVE-2015-9096
https://github.com/rubysec/ruby-advisory-db/issues/215
https://nvd.nist.gov/vuln/detail/CVE-2015-9096
https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
https://www.debian.org/security/2017/dsa-3966
https://hackerone.com/reports/137631
http://www.mbsd.jp/Whitepaper/smtpi.pdf
https://security-tracker.debian.org/tracker/CVE-2015-9096
https://www.mend.io/vulnerability-database/CVE-2015-9096

Severity Score

Weakness Type (CWE)

Improper Neutralization of CRLF Sequences ('CRLF Injection')

CWE-93

Top Fix

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CVSS v3

Base Score:
Attack Vector (AV):
Attack Complexity (AC):
Privileges Required (PR):
User Interaction (UI):
Scope (S):
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV):
Access Complexity (AC):
Authentication (AU):
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE
Additional information:

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